49   Artículos

« Anterior     Página: 1 de 3     Siguiente »

 
en línea
Tomislav Malvic, Josip Iv?inovic, Josipa Velic and Rajna Rajic    
The interpolation of small datasets is challenging problem regarding the selection of interpolation methods and type of datasets. Here, for such analysis, the analysed data was taken in two hydrocarbon fields (?A? and ?B?), located in the western part of... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Joseph Guttman, Ido Negev and Genadi Rubin    
Surplus water from seawater desalination plants along the Israeli Coast can be injected underground for seasonal storage. Two pilot projects were established to simulate the movement of air bubbles and changes in the well hydraulic parameters during pump... ver más
Revista: Water    Formato: Electrónico

 
en línea
Joseph Guttman, Ido Negev, Genadi Rubin     Pág. 1 - 12
Surplus water from seawater desalination plants along the Israeli Coast can be injected underground for seasonal storage. Two pilot projects were established to simulate the movement of air bubbles and changes in the well hydraulic parameters during pump... ver más
Revista: Water    Formato: Electrónico

 
en línea
Rico Bartak, Wolfgang Macheleidt, Thomas Grischek     Pág. 1 - 13
Tracer and pump tests including depth dependent water sampling were performed to investigate the flow conditions inside and in the vicinity of an injection well with two screen segments used for subsurface iron removal (SIR). A high resolution groundwate... ver más
Revista: Water    Formato: Electrónico

 
en línea
Saeid Masoudiashtiani and Richard C. Peralta    
In this study, we present artificial neural networks (ANNs) to aid in a reconnaissance evaluation of an aquifer storage and recovery (ASR) well. Recovery effectiveness (REN) is the proportion of ASR-injected water recovered during subsequent extraction f... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Mohammad Gheibi, Mohammad Eftekhari, Mehran Akrami, Nima Emrani, Mostafa Hajiaghaei-Keshteli, Amir M. Fathollahi-Fard and Maziar Yazdani    
Maintaining drinking water quality is considered important in building sustainable cities and societies. On the other hand, water insecurity is an obstacle to achieving sustainable development goals based on the issues of threatening human health and wel... ver más
Revista: Infrastructures    Formato: Electrónico

 
en línea
Ryan G. Tigera, Whitney L. Benson and David C. Mays    
In situ groundwater remediation often calls for a chemical or biological amendment to be injected as an aqueous solution into a contaminated groundwater aquifer. Accordingly, remediation depends on mixing the amendment into the contaminated groundwater, ... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Miguel Ángel Pardo, Adrián J. Riquelme, Antonio Jodar-Abellan and Joaquín Melgarejo    
Minimizing energy expenditure is one of the main purposes of the managers of pressurized irrigation systems. From the energy consumption standpoint, they can reduce energy consumption by supplying a constant flow into the system (a scheme different from ... ver más
Revista: Water    Formato: Electrónico

 
en línea
María Isabel Lamas Galdo, Laura Castro-Santos and Carlos G. Rodriguez Vidal    
This work analyzes NOx reduction in a marine diesel engine using ammonia injection directly into the cylinder and compares this procedure with water injection. A numerical model based on the so-called inert species method was applied. It was verified tha... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Jana Ringleb, Jana Sallwey and Catalin Stefan    
Managed aquifer recharge (MAR) is the purposeful recharge of an aquifer for later recovery or environmental benefits and represents a valuable method for sustainable water resources management. Models can be helpful tools for the assessment of MAR system... ver más
Revista: Water    Formato: Electrónico

 
en línea
Bo Li, Xiao-Sen Li, Gang Li, Jia-Lin Jia and Jing-Chun Feng    
Permeability is one of the key factors that determine the fluids flow capacity and production potential of hydrate deposits. In this study, an experimental setup is developed to investigate the flow properties of the porous media, and the permeabilities ... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Heather Hatzenbuhler and Terence J. Centner    
Hydraulic fracturing is an industrial process used to extract fossil fuel reserves that lie deep underground. With the introduction of horizontal drilling, new commercial sources of energy have become available. Wells are drilled and injected with large ... ver más
Revista: Water    Formato: Electrónico

 
en línea
Shlomit Valensi and Alon Gany    
Open-sea testing of a two-phase marine ramjet vehicle has been conducted. This experimental phase was accomplished following comprehensive theoretical research. The concept of two-phase marine ramjet propulsion consists of a submerged propulsor acquiring... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Huichan Kim and Sunho Park    
With the implementation of the energy efficiency design index (EEDI) by the International Maritime Organization (IMO), the goal of which is to reduce greenhouse gas (GHG) emissions, interest in energy saving devices (ESDs) is increasing. Among such ESDs ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Eduardo Luiz Delmonico, Janksyn Bertozzi, Nilson Evelázio de Souza, Cláudio Celestino Oliveira     Pág. 513 - 519
The use of pesticides in agriculture is one of the current problems that may result in contamination of both ground and surface water and groundwater. Considering the environmental importance and the increasing use of herbicides in Maringá region, in the... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Qing Ye, Yongpeng Ou, Guo Xiang and Junjie Chen    
Over the years, air lubrication technology has been widely applied to maritime vessels, demonstrating its significant energy-saving and emission-reducing effects. However, the application of this technology in inland waterway transportation faces unique ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
De Nyago Tafen, Barbara Kutchko and Mehrdad Massoudi    
Cement fractures represent preferential leakage pathways in abandoned wells upon exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical reactions is critical for assessing well integrity in CO2 storage. This paper desc... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Yung-Chih Wang, Ming-Gin Lee, Wei-Chien Wang, Yu-Cheng Kan, Shih-Hsuan Kao and Hsien-Wen Chang    
This study was to evaluate the CO2 curing on mechanical properties of Portland cement concrete. Three different specimen sizes (5 × 10 cm, 10 × 20 cm, and 15 × 30 cm cylinders), three CO2 concentrations (50%, 75%, 100%), three curing pressures (0.2, 0.4,... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
David D. J. Antia    
Globally, about 54 million ha of cropland are irrigated with saline water. Globally, the soils associated with about 1 billion ha are affected by salinization. A small decrease in irrigation water salinity (and soil salinity) can result in a disproportio... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Zhao Liu, Youhong Sun, Bingge Wang and Qiang Li    
The application of conventional artificial ground freezing (AGF) has two disadvantages: low freezing rate and small frozen range. In this study, a new method with natural cold gas injection was proposed, whereby the shallow soils and water can be frozen ... ver más
Revista: Applied Sciences    Formato: Electrónico

« Anterior     Página: 1 de 3     Siguiente »